package com.design.behavior.observer.cainiao;

/**
 * @ProjectName: design
 * @Package: com.design.behavior.observer.cainiao
 * @ClassName: ObserverPatternDemo
 * @Author: shenaiguo
 * @Description:
 * @Date: 2020/11/23 0023 20:32
 */
public class ObserverPatternDemo {

    public static void main(String[] args) {
        Subject subject = new Subject();

        new HexaObserver(subject);
        new OctalObserver(subject);
        new BinaryObserver(subject);

        System.out.println("First state change: 15");
        subject.setState(15);
        System.out.println("Second state change: 10");
        subject.setState(10);
    }
}
